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More on coffee: Cola, not coffee, raises blood pressure

More on coffee

Cola, not coffee, raises blood pressure

"I love coffee; I love tea; I love the java jive, and it loves
me. ..." Most "caf-fiends" can identify with the lighthearted "Java
Jive." But many people have serious concerns about caffeinated
coffee. One worry is high blood pressure. We know that a cup of
coffee can temporarily boost blood pressure, but does a regular
coffee habit cause a chronic condition?

Caffeinated coffee actually confers some benefits, lowering the
risk for diabetes, colon cancer, gallstones, and Parkinson's
disease, and improving cognitive function and physical endurance.
A November 2005 study in the Journal of the American Medical
Association (JAMA) continues the good news — concluding that
there's no link between coffee and hypertension. But the news
isn't all good. Cola drinkers, listen up.

The JAMA study — by researchers at Harvard Medical School
and the Harvard School of Public Health — drew on data from the
Nurses' Health Study, which has tracked the health and habits of
more than 200,000 registered nurses since 1976. The researchers
used food frequency questionnaires and medical reports to analyze
the relationship between caffeine intake and the development of
hypertension over a 12-year period. They found no link between
coffee drinking (caffeinated or decaffeinated) and hypertension
in women who didn't have the condition at the start of the study.
For tea drinkers, there was a slightly increased risk only among
younger participants (age 26–46 at the start of the study). The
truly surprising results were for cola drinkers.